It is designed for measure the luminous intensity distribution curve, spread angle of light beam and electrical characteristics of LED. Constant current power supply inside, Meets the condition A or B in CIE pub. No. 127.

Characteristics and specifications:

1) Forward voltage (VF): 0.001V -- 20.00V
2) Forward current (IF): 2.00mA -- 1000.00mA
3) Reversed current (IR): 0.01μA -- 200.0μA
4) Reversed voltage (VR): 0.01V -- 200.0V
5) Spread angle of light beam: θ (50%) θ (25%) θ (75%)
6) Center intensity: I0
7) Peak intensity: Imax
8) Warp angel:
9) Intensity range: 0.001mcd -- 300.000cd
10) Accuracy of intensity: 1 class
11) Angel range: -90°-- +90°
12) Accuracy of angel: ± 0.2°
13) Angel interval: 0.1° /0.5° /1° /1.5°
14) Range of equivalent lumimous flux: 10.00lm -- 200.00lm
15) Draw luminous intensity distribution curve and measure the spread angle for light beam automatically.
16) Windows XP Pro and Windows 2000 compatible software.
17) RS-232 or High speed USB 1.1/2.0 plug and play.